5561660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21391}}^1$

素因数の和:21413

約数の個数: 24

約数和(自身を含む): 12578496

約数和(自身を除く): 7016836

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 21391, 42782, 85564, 106955, 213910, 278083, 427820, 556166, 1112332, 1390415, 2780830, 5561660]

約数ペア:

[(1, 5561660), (2, 2780830), (4, 1390415), (5, 1112332), (10, 556166), (13, 427820), (20, 278083), (26, 213910), (52, 106955), (65, 85564), (130, 42782), (260, 21391)]